window.css="";
function load_theme(){
    var remote = require('electron').remote;
    var dialog = remote.require('electron').dialog;
    var fs = require('fs');
    var path = dialog.showOpenDialogSync({
        title: "加载主题"
    })[0];
    var data = fs.readFileSync(path, { encoding: "utf-8" });
    window.css=data;
}